<template>
  <div class="app-container">

    <!-- 查询和其他操作 -->
    <div class="filter-container">
      <el-input v-model="listQuery.name" clearable class="filter-item" style="width: 200px;" :placeholder="$t('Please_enter_role_name')"/>
      <el-button plain1 class="filter-item" type="primary" icon="el-icon-search" @click="handleFilter">{{$t('Search')}}</el-button>
      <el-button plain1 v-permission="['GET /admin/p/system_role_add']" class="filter-item" type="success" icon="el-icon-circle-plus" @click="handleCreate">{{$t('Add')}}</el-button>
    </div>

    <!-- 查询结果 -->
    <el-table v-loading="listLoading" :data="list" :element-loading-text="$t('Searching')" border fit highlight-current-row>
      <el-table-column type="index" :index="getIndex" width="50"></el-table-column>

      <el-table-column align="center" :label="$t('Role_name')" prop="name" sortable/>

      <el-table-column align="center" :label="$t('Role_type')" prop="type">
        <template slot-scope="scope">
          <el-tag v-if="scope.row.type == 1" type="warning"> {{$t('Store_roles')}} </el-tag>
          <el-tag v-else type="primary"> {{$t('System_roles')}} </el-tag>
        </template>
      </el-table-column>

      <el-table-column align="center" :label="$t('Explanation')" prop="desc"/>

      <el-table-column align="center" :label="$t('Operate')" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-link v-permission="['GET /admin/p/system_role_edit']" style="margin-left: 15px" type="primary" icon="el-icon-edit" size="mini" @click="handleUpdate(scope.row)">{{$t('Edit')}}</el-link>
          <el-link v-permission="['GET /admin/p/system_role_delete']" style="margin-left: 15px" type="danger" icon="el-icon-delete" size="mini" @click="handleDelete(scope.row)">{{$t('Delete')}}</el-link>
          <el-link v-permission="['GET /admin/p/system_role_grant']" style="margin-left: 15px" type="success" icon="el-icon-finished" size="mini"  @click="handlePermission(scope.row)">{{$t('Access_Clearance')}}</el-link>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="listQuery.page" :limit.sync="listQuery.limit" @pagination="getList" />

    <!-- 添加或修改对话框 -->
    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form ref="dataForm" :rules="rules" :model="dataForm" status-icon label-position="left" label-width="100px" style="width: 400px; margin-left:50px;">
        <el-form-item :label="$t('Role_name')" prop="name">
          <el-input v-model="dataForm.name"/>
        </el-form-item>
        <el-form-item :label="$t('Role_type')" prop="type">
          <el-select v-model="dataForm.type">
            <el-option v-for="item in roleTypes" :value="item.value" :label="item.label"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item :label="$t('Explanation')" prop="desc">
          <el-input v-model="dataForm.desc"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">{{$t('Cancel')}}</el-button>
        <el-button v-if="dialogStatus=='create'" type="primary" @click="createData">{{$t('Confirm')}}</el-button>
        <el-button v-else type="primary" @click="updateData">{{$t('Confirm')}}</el-button>
      </div>
    </el-dialog>

    <!-- 权限配置对话框 -->
    <el-dialog :visible.sync="permissionDialogFormVisible" :title="$t('权限配置')">
      <el-tree
        ref="tree"
        :data="systemPermissions"
        :default-checked-keys="assignedPermissions"
        show-checkbox
        node-key="id"
        highlight-current>
        <span slot-scope="{ node, data }" class="custom-tree-node">
          <span>{{ $t(data.label) }}</span>
<!--          <el-tag v-if="data.api" type="success" size="mini">{{ data.api }}</el-tag>-->
        </span>
      </el-tree>
      <div slot="footer" class="dialog-footer">
        <el-button @click="permissionDialogFormVisible = false">{{$t('Cancel')}}</el-button>
        <el-button type="primary" @click="updatePermission">{{$t('Confirm')}}</el-button>
      </div>
    </el-dialog>

  </div>
</template>

<script>
import { listRole, createRole, updateRole, deleteRole, getPermission, updatePermission } from '@/api/role'
import Pagination from '@/components/Pagination'

export default {
  name: 'Role',
  components: { Pagination },
  data() {
    return {
      list: null,
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 20,
        name: undefined,
        sort: 'add_time',
        order: 'desc'
      },
      dataForm: {
        id: undefined,
        name: undefined,
        desc: undefined
      },
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: this.$t('Edit'),
        create: this.$t('Create')
      },
      rules: {
        name: [
          { required: true, message: this.$t('Role_name_cannot_be_empty'), trigger: 'blur' },
        ],
        type: [
          { required: true, message: this.$t('Role_type_cannot_be_empty'), trigger: 'change' },
        ]
      },
      roleTypes:[
        {
          value: true,label:this.$t('Store_roles')
        },
        {
          value:false, label:this.$t('System_roles')
        }
      ],
      permissionDialogFormVisible: false,
      systemPermissions: null,
      assignedPermissions: null,
      permissionForm: {
        roleId: undefined,
        permissions: []
      }
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      listRole(this.listQuery)
        .then(response => {
          this.list = response.data.data.list
          this.total = response.data.data.total
          this.listLoading = false
        })
        .catch(() => {
          this.list = []
          this.total = 0
          this.listLoading = false
        })
    },
    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },
    resetForm() {
      this.dataForm = {
        id: undefined,
        name: undefined,
        desc: undefined
      }
    },
    handleCreate() {
      this.resetForm()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    createData() {
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          createRole(this.dataForm)
            .then(response => {
              this.list.unshift(response.data.data)
              this.dialogFormVisible = false
              this.$notify.success({
                title: this.$t('Success!'),
                message: this.$t('Role_added_successfully')
              })
            })
            .catch(response => {
              this.$notify.error({
                title: this.$t('Failed'),
                message: this.$t(response.data.errmsg)
              })
            })
        }
      })
    },
    handleUpdate(row) {
      this.dataForm = Object.assign({}, row)
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    updateData() {
      this.$refs['dataForm'].validate(valid => {
        if (valid) {
          updateRole(this.dataForm)
            .then(() => {
              for (const v of this.list) {
                if (v.id === this.dataForm.id) {
                  const index = this.list.indexOf(v)
                  this.list.splice(index, 1, this.dataForm)
                  break
                }
              }
              this.dialogFormVisible = false
              this.$notify.success({
                title: this.$t('Success!'),
                message: this.$t('Update_Successful')
              })
            })
            .catch(response => {
              this.$notify.error({
                title: this.$t('Failed'),
                message: this.$t(response.data.errmsg)
              })
            })
        }
      })
    },
    handleDelete(row) {
      deleteRole(row)
        .then(response => {
          this.$notify.success({
            title: this.$t('Success!'),
            message: this.$t('Deleted')
          })
          const index = this.list.indexOf(row)
          this.list.splice(index, 1)
        })
        .catch(response => {
          this.$notify.error({
            title: this.$t('Failed'),
            message: this.$t(response.data.errmsg)
          })
        })
    },
    handlePermission(row) {
      this.permissionDialogFormVisible = true
      this.permissionForm.roleId = row.id
      getPermission({ roleId: row.id })
        .then(response => {
          this.systemPermissions = response.data.data.systemPermissions
          this.assignedPermissions = response.data.data.assignedPermissions
        })
    },
    updatePermission() {
      this.permissionForm.permissions = this.$refs.tree.getCheckedKeys(true)
      updatePermission(this.permissionForm)
        .then(response => {
          this.permissionDialogFormVisible = false
          this.$notify.success({
            title: this.$t('Success!'),
            message: this.$t('Access_granted')
          })
        })
        .catch(response => {
          this.$notify.error({
            title: this.$t('Failed'),
            message: this.$t(response.data.errmsg)
          })
        })
    },
    getIndex(index) {
      return (index + 1) + (this.listQuery.page - 1) * this.listQuery.limit;
    }
  }
}
</script>
